Home / 145,152,030.15-217,728,045.23-130,371,409.35

Finding the Fourth Proportional to 145,152,030.15, 217,728,045.23 and 130,371,409.35

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Solution

The fourth proportional to 145,152,030.15, 217,728,045.23 and 130,371,409.35 is: 195,557,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,030.15 : 217,728,045.23 = 130,371,409.35 : x
  2. Step 2: Convert to fraction form
    145,152,030.15/217,728,045.23 = 130,371,409.35/x
  3. Step 3: Cross multiply
    145,152,030.15x = 217,728,045.23 × 130,371,409.35
  4. Step 4: Simplify right side
    145,152,030.15x = 28,385,512,111,003,784
  5. Step 5: Solve for x
    x = 28,385,512,111,003,784/145,152,030.15
  6. Step 6: Final answer
    x = 195,557,114.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.